Hong Kong Ordinances

ENTERTAINMENT SPECIAL EFFECTS ORDINANCE - SECT 49

Onus of proving limits of what is practicable, etc.

In any proceedings for an offence against this Ordinance consisting of a
failure to comply with a requirement under this Ordinance to do something so
far as is practicable or so far as is reasonably practicable, or to use the
best practicable means to do something, the onus is on the accused to prove
that it was not practicable or not reasonably practicable to do more than was
in fact done to comply with the requirement, or that he has used the best
practicable means to comply with the requirement, or done the appropriate
thing to comply with the requirement.